Product DescriptionUpgrade your AR-15 build with the Ballistic Advantage Modern Series 16" barrel chambered in 5.56x45mm NATO. Built from durable 4150 Chrome Moly Vanadium steel, this barrel features a corrosion-resistant Black QPQ finish and a QPQ-coated M4 feed ramp extension for reliable feeding and long-term performance. A mid-length gas system and government profile help balance smooth cycling with a versatile handling feel, making it a strong choice for range use and general-purpose builds.Product Highlights 16" Modern Series AR-15 barrel chambered in 5.56x45mm NATO for broad ammo compatibility 4150 Chrome Moly Vanadium steel construction for strength and longevity Black QPQ corrosion-resistant finish with QPQ-coated M4 feed ramp extension Mid-length gas system designed to promote smooth operation and controllability Government profile with .750" gas block journal for compatibility with common gas blocksSpecs Brand: Ballistic Adv Series: Modern Series Type: AR-15 Barrel Caliber/Chamber: 5.56x45mm NATO (also accepts .223 Remington) Barrel Length: 16" Profile: Government Gas System Length: Mid-Length Gas Block Journal: .750" Material: 4150 Chrome Moly Vanadium Steel Finish: Black QPQ Twist Rate: 1:7 Muzzle Thread: 1/2-28 Feed Ramps: M4 (QPQ coated extension) Weight: 28 oz Manufacturer Part Number: BABL556015M UPC: 819747020093Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.